-40=-2z

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Solution for -40=-2z equation:


-40=-2z

We simplify the equation to the form, which is simple to understand 
-40=-2z

We move all terms containing z to the left and all other terms to the right. 
+2z=+40

We simplify left and right side of the equation. 
+2z=+40

We divide both sides of the equation by 02 to get z. 
z=20

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